10876561 has 4 divisors (see below), whose sum is σ = 11029824. Its totient is φ = 10723300.

The previous prime is 10876529. The next prime is 10876573. The reversal of 10876561 is 16567801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16567801 = 79 ⋅209719.

It is a cyclic number.

It is not a de Polignac number, because 10876561 - 2⁵ = 10876529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10873561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76525 + ... + 76666.

It is an arithmetic number, because the mean of its divisors is an integer number (2757456).

Almost surely, 2^10876561 is an apocalyptic number.

It is an amenable number.

10876561 is a deficient number, since it is larger than the sum of its proper divisors (153263).

10876561 is an equidigital number, since it uses as much as digits as its factorization.

10876561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153262.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 10876561 is about 3297.9631592848. The cubic root of 10876561 is about 221.5629811374.

The spelling of 10876561 in words is "ten million, eight hundred seventy-six thousand, five hundred sixty-one".